CN208819757U - The unmanned plane switch that contacts to earth - Google Patents
The unmanned plane switch that contacts to earth Download PDFInfo
- Publication number
- CN208819757U CN208819757U CN201821607752.4U CN201821607752U CN208819757U CN 208819757 U CN208819757 U CN 208819757U CN 201821607752 U CN201821607752 U CN 201821607752U CN 208819757 U CN208819757 U CN 208819757U
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- pull rod
- pedestal
- earth
- switch
- contacts
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Abstract
The utility model belongs to field of electronics, and in particular to a kind of unmanned plane switch that contacts to earth has switch enclosure, is equipped with microswitch inside switch enclosure, switch enclosure side is fixedly connected with the casing；The shell other side is equipped with pedestal, passes through pedestal along housing direction and is equipped with pull rod, the pull rod is equipped with contact, the pressure spring covered on pull rod is additionally provided between contact and pedestal.Resistance is not generated inside the utility model, is cooperated closely between pedestal and pull rod, so that switching stability raising of contacting to earth.
Description
Technical field
The utility model belongs to field of electronics, and in particular to a kind of unmanned plane switch that contacts to earth.
Background technique
The switch that contacts to earth belongs to one kind of automatic switch, and unmanned plane is switched with contacting to earth when unmanned plane lands, thread cutter moment
Cotton rope is cut in pop-up, and the switch that contacts to earth opens unmanned plane apparatus for descending, to play the role of controlling unmanned plane safe falling.It passes
The system pressure spring in switch that contacts to earth is easy to contact with shell inner hole, leads to contact and microswitch because between spring and hole wall
Resistance and can not contact, switch job insecurity to make to contact to earth, there are hidden danger；Sky in traditional scheme between pedestal and pull rod
Gap is larger, and pull rod is easy to produce radial swing；If by gap do it is small if, due to the pedestal in traditional scheme be aluminium,
Surface is more coarse, can also affect greatly to the movement of pull rod.
Utility model content
Technical problem to be solved by the utility model is: in view of the foregoing drawbacks, provide a kind of pressure spring not with shell inner hole hole
The unmanned plane switch that contacts to earth of friction is generated between wall.
The utility model solves its technical problem the technical solution adopted is as follows: a kind of unmanned plane switch that contacts to earth, has
Switch enclosure, switch enclosure inside are equipped with microswitch, and switch enclosure side is fixedly connected with the casing；The shell other side is equipped with bottom
Seat passes through pedestal along housing direction and is equipped with pull rod, and the pull rod is equipped with contact, is additionally provided with and is covered in pull rod between contact and pedestal
On pressure spring.The utility model changes into the centering mode of pressure spring in pull rod outer circle so that pressure spring outer diameter not with shell inner hole
Hole wall contact, so as to avoid resistance, improves the stability for the switch that contacts to earth.
It is further improved as the utility model, copper sheathing is equipped between the pedestal and pull rod.Copper sheathing has filled up pedestal
Gap between pull rod eliminates moving radially for pull rod, since copper material surface is relatively smooth, when greatly reducing pull rod movement
The resistance of generation.
The beneficial effects of the utility model are: not generating resistance inside the utility model, cooperate between pedestal and pull rod tight
It is close, so that switching stability raising of contacting to earth.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that tradition is contacted to earth switch structure diagram.
Wherein: 1. microswitches, 2. switch enclosures, 3. shells, 4. contacts, 5. pressure springs, 6. pull rods, 7. bottom covers, 8. copper sheathings.
Specific embodiment
The utility model is described further with reference to the accompanying drawing, practical word "front", "rear" in description, " left side ",
" right side ", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
The utility model is further detailed with reference to Fig. 1, a kind of unmanned plane switch that contacts to earth has switch enclosure 2,
It is characterized by: being equipped with microswitch 1 inside switch enclosure 2,2 side of switch enclosure is fixedly connected with shell 3；The shell 3 is another
Side is equipped with pedestal 7, passes through pedestal 7 along 3 direction of shell and is equipped with pull rod 6, and the pull rod 6 is equipped with contact 4, contact 4 and pedestal 7 it
Between be additionally provided with the pressure spring 5 covered on pull rod 6.Copper sheathing 8 is equipped between the pedestal 7 and pull rod 6.
Be illustrated with reference to Fig. 2 to the tradition switch that contacts to earth: the tradition pressure spring in switch that contacts to earth is in contact with outer casing inner wall, easily
Resistance is generated, is influenced；The movement of pull rod；Gap is larger between pedestal and pull rod, and pull rod generates radial swing, can also to touch
Head does not reach microswitch, reduces the stability of switch.
Pressure spring 5 is fixed in pull rod outer circle by the switch that contacts to earth of the utility model, and the outer diameter of pressure spring 5 is less than 3 inner hole of shell
Internal diameter, when pull rod 6 is mobile, pressure spring 5 will not generate friction between hole wall.It is arranged between the utility model pedestal 7 and pull rod 6
Copper sheathing, had both eliminated radially wobbling for pull rod 6, will not generate excessive resistance when pull rod 6 is mobile.
In use, drawstring holds to the right pull rod 6, thread cutter cuts drawstring, pull rod 6 under the elastic force effect of pressure spring 5 to the left
Mobile, contact 4 contacts conducting with the microswitch 1 in switch enclosure 2.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (2)
1. a kind of unmanned plane switch that contacts to earth, has switch enclosure (2), it is characterised in that: be equipped with microswitch inside switch enclosure (2)
(1), switch enclosure (2) side is fixedly connected with shell (3)；Shell (3) other side is equipped with pedestal (7), passes through pedestal (7) edge
Shell (3) direction is equipped with pull rod (6), and the pull rod (6) is equipped with contact (4), is additionally provided with set between contact (4) and pedestal (7)
Pressure spring (5) on pull rod (6).
2. the unmanned plane according to claim 1 switch that contacts to earth, which is characterized in that between the pedestal (7) and pull rod (6)
Equipped with copper sheathing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607752.4U CN208819757U (en) | 2018-09-30 | 2018-09-30 | The unmanned plane switch that contacts to earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607752.4U CN208819757U (en) | 2018-09-30 | 2018-09-30 | The unmanned plane switch that contacts to earth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819757U true CN208819757U (en) | 2019-05-03 |
Family
ID=66279000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821607752.4U Active CN208819757U (en) | 2018-09-30 | 2018-09-30 | The unmanned plane switch that contacts to earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208819757U (en) |
-
2018
- 2018-09-30 CN CN201821607752.4U patent/CN208819757U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |